英文關鍵字
area
background
biologically
book
break
brown
conservation
deciduous
eco
ecology
ecosystem
environment
environmental
europe
evening
exposure
floor
flora
foliage
footpath
forest
green
group
growth
hike
hiking
landscape
leaf
liana
light
mood
moss
motion
nature
outdoors
outside
path
peaceful
recreation
relax
relaxation
rest
shadow
slow
tourism
traveling
tree
walk
way
wood